81186690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2451

約数の個数: 64

約数和(自身を含む): 212284800

約数和(自身を除く): 131098110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 890, 1157, 1335, 2314, 2339, 2670, 3471, 4678, 5785, 6942, 7017, 11570, 11695, 14034, 17355, 23390, 30407, 34710, 35085, 60814, 70170, 91221, 152035, 182442, 208171, 304070, 416342, 456105, 624513, 912210, 1040855, 1249026, 2081710, 2706223, 3122565, 5412446, 6245130, 8118669, 13531115, 16237338, 27062230, 40593345, 81186690]

約数ペア:

[(1, 81186690), (2, 40593345), (3, 27062230), (5, 16237338), (6, 13531115), (10, 8118669), (13, 6245130), (15, 5412446), (26, 3122565), (30, 2706223), (39, 2081710), (65, 1249026), (78, 1040855), (89, 912210), (130, 624513), (178, 456105), (195, 416342), (267, 304070), (390, 208171), (445, 182442), (534, 152035), (890, 91221), (1157, 70170), (1335, 60814), (2314, 35085), (2339, 34710), (2670, 30407), (3471, 23390), (4678, 17355), (5785, 14034), (6942, 11695), (7017, 11570)]